diff options
| author | Arend van Spriel <arend@broadcom.com> | 2015-03-18 13:25:21 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-20 09:03:23 +0200 |
| commit | 063d51776bd60ebf2587682eb394851c792e58d9 (patch) | |
| tree | 60a976145fdb3fffe5138f239fa09a13377e4bdd /drivers/net/wireless | |
| parent | bb408cc78401c53842e17b24b6433c122629f21f (diff) | |
| download | talos-op-linux-063d51776bd60ebf2587682eb394851c792e58d9.tar.gz talos-op-linux-063d51776bd60ebf2587682eb394851c792e58d9.zip | |
brcmfmac: avoid runtime-pm for sdio host controller
Several host controllers supporting runtime-pm are causing issues
with our sdio wireless cards because they disable the sdio interrupt
upon going into runtime suspend. This patch avoids that by doing
a pm_runtime_forbid() call during the probe. Tested with Sony Vaio
Duo 13 which uses sdhci-acpi host controller.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 43995308307d..9667b6aabc00 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -29,6 +29,7 @@ #include <linux/mmc/host.h> #include <linux/platform_device.h> #include <linux/platform_data/brcmfmac-sdio.h> +#include <linux/pm_runtime.h> #include <linux/suspend.h> #include <linux/errno.h> #include <linux/module.h> @@ -1006,6 +1007,7 @@ static int brcmf_sdiod_remove(struct brcmf_sdio_dev *sdiodev) sg_free_table(&sdiodev->sgtable); sdiodev->sbwad = 0; + pm_runtime_allow(sdiodev->func[1]->card->host->parent); return 0; } @@ -1074,7 +1076,7 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) ret = -ENODEV; goto out; } - + pm_runtime_forbid(host->parent); out: if (ret) brcmf_sdiod_remove(sdiodev); |
